<template>
  <div>
    <div class="title">
      <h3>课程列表</h3>
      <el-button
        type="success"
        size="small"
        @click="$router.push(`/courses/create`)"
      >
        添加课程
      </el-button>
    </div>
    <el-table :data="data.data" border stripe>
      <el-table-column
        v-for="(field, name) in fields"
        :prop="name"
        :key="name"
        :label="field.label"
        :width="field.width"
      >
      </el-table-column>
      <el-table-column label="操作" width="200">
        <template v-slot="{ row }">
          <el-button
            type="success"
            size="small"
            @click="$router.push(`/courses/edit/${row._id}`)"
          >
            编辑
          </el-button>
          <el-button type="danger" size="small" @click="remove(row)">
            删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
  </div>
</template>

<script lang="ts">
import { Component, Vue } from 'vue-property-decorator'

@Component
export default class CourseList extends Vue {
  data = {}
  fields = {
    _id: { label: 'ID' },
    name: { label: '课程名称' },
    cover: { label: '课程封面' }
  }

  async fetch() {
    const res = await this.$http.get('courses')
    this.data = res.data
  }

  async remove(row: any) {
    try {
      await this.$confirm('是否确认删除')
    } catch (error) {
      return
    }
    await this.$http.delete(`courses/${row._id}`)
    this.$message.success('删除成功')
    this.fetch()
  }

  created() {
    this.fetch()
  }
}
</script>

<style lang="scss" scope>
.title {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
</style>
